<h1>2001 GMC Sierra – Remote Key Fob Programming Instructions</h1> <p><font size="3"> This model supports onboard programming using a combination of ignition and driver door controls. </font></p> <ul> <li><font size="3">Step 1: Ensure all doors are securely closed to prevent interruptions in the programming process. </font></li> <li><font size="3">Step 2: Insert the ignition key without turning it. </font></li> <li><font size="3">Step 3: Press and hold the UNLOCK button on the driver's door. Continue holding until instructed to release in a later step. </font></li> <li><font size="3">Step 4: Within a few seconds, quickly perform the following ignition cycle: Turn the key to the ON position (without starting the engine), then back to OFF. Repeat once more: turn to ON, then back to OFF. </font></li> <li><font size="3">Step 5: Now release the UNLOCK button. If successful, the door locks will automatically cycle to indicate the vehicle has entered remote programming mode. If no response is observed, remove the key, open the driver's door, and begin again from Step 1. </font></li> <li><font size="3">Step 6: Take your first remote and press both LOCK and UNLOCK buttons simultaneously. Hold for up to 30 seconds or until the locks cycle again to confirm successful pairing. </font></li> <li><font size="3">Step 7: Repeat Step 6 for any additional remotes within one minute, including previously programmed units. </font></li> <li><font size="3">Step 8: Turn the ignition to the ON position once more to exit programming mode. </font></li> <li><font size="3">Step 9: Remove the key and test all remotes for proper function.</font></li> </ul>
